* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

a {
  text-decoration: none;
  color: inherit;
}

.nav {
  margin-top: 30px;
  text-align: center;
}
.nav a {
  display: inline-block;
  padding: 7px;
  border-radius: 5px;
}
